Awareness | Common Relay forms used for QIO-GP8x8

Gain an understanding of the different relay forms used for the QIO-GP8x8.

Updated at June 19th, 2025

Information


There are 3 Relay forms commonly used for contact closure setups with the QIO-GP8x8.

Normally Closed
Normally Open
Changeover

  • Normally Closed Contact opens when energized.

  • Normally Open Contact closes when energized.

  • Common connected to Normally Open when energized.
  • Common connected to Normally Closed when de-energized.